Now L-arginine 500mg – 100 Capsules

L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production.* It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels.* The L-Arginine used in this product is Pharmaceutical Grade.

*Natural color variation may occur in this product.